1. Political Geography of Elections Variation of voting districts
ELECTORAL GEOGRAPHY
Political Geography of Elections
Variation of voting districts
and voting patterns

2. “Gerrymandering”
Redistricting for
partisan purposes

3. A famous gerrymander

4. U.S. congressional delegation redistricting
Reapportionment : allocating seats to a geographic area (normally done after every census)

6. Congressional reapportionment

8. Led to Southern secession, Civil War
1860 Presidential Vote
Led to Southern secession, Civil War

9. 1996 Presidential Vote

10. 2008

12. 205
229 1 I

13. 2004 Presidential Vote

14. 2004 Presidential Vote

15. 2004 Presidential Vote

16. NC Voter registration

17. If Party A is in control of redistricting…
Wasted votes: Party B is a minority in every district
Excess votes: almost all of Party B supporters are in one district
Stacked votes: Party A controls the majority of districts, yet Party B controls more than 1 – can result in very strange shaped districts